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When Green Water drinking bag is buried in soil, it functions like a water-absorbing asparagus and quickly sucks the water in nearby soil. The surface is a one-direction percolating layer, which could collect and store the scarce water around the vegetation. It is convenient for a camper to carry along. For instance, when a camper plans to stay at a spot for a period of time, say one or two days, he could bury it wherever humid. This life-sustaining bag is reliable when running out of water. The lid is specially designed like the shape of a leaf, making sure it could not be detected by wild animals.